
import './index.css'






function App() {
  

  const style ={
    color: "red",
    fontSize: '50px'
  }


  return (
    <div className="App">
      {/** 行内样式控制 */}
      <span style={style}>this is sapn</span>
      {/** 通过class 类名控制 */}
      <span className='foo'>this is class foo</span>
    </div>
  );
}

export default App;
